In a Normal Distribution,50% of All Scores Fall Between Standard

question 161

True/False

In a normal distribution,50% of all scores fall between standard scores of -1 and +1.

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Definitions:

Type II Error

An error that occurs when a statistical test fails to reject a false null hypothesis, indicating a missed opportunity to detect an actual effect or difference.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive".

Effect Size

A quantitative measure of the magnitude of the difference between groups or the strength of the relationship between variables in a statistical analysis.

Null Hypothesis

A statement positing that there is no significant difference or effect, often the initial assumption in hypothesis testing.